Format and validate JSON with proper indentation.
Check whether a block of JSON is syntactically valid.
Remove whitespace from JSON to make it as compact as possible.
Format and beautify XML with proper indentation.
Check whether a document is well-formed XML.
Remove unnecessary whitespace from XML to make it as compact as possible.
Encode text to Base64, with correct Unicode support.
Decode Base64 back into readable text.
Encode text so it's safe to use inside a URL.
Decode a percent-encoded URL back into readable text.
Decode a JSON Web Token and inspect its header and payload.
Generate MD5, SHA-1, SHA-256, SHA-384, or SHA-512 hashes from text.
Generate random UUIDs (v4) for use in your applications.
Generate strong, random passwords with custom rules.
Generate random alphanumeric strings of any length.
Generate one or more random numbers within a range.
Generate random dates of birth within an age range, for testing.
Generate random hex and RGB colors, one at a time or as a palette.
Count words, characters, and lines in your text.
Count characters in your text, with or without spaces.
Count the number of lines in your text.
Convert text to uppercase, lowercase, title case, and more.
Compare two blocks of text or documents and highlight the differences.
Remove repeated lines from a block of text, keeping the first occurrence.
Sort the lines of a block of text alphabetically.
Convert CSV data into JSON format.
Convert a JSON array of objects into CSV format.
Convert between Unix timestamps and human-readable dates.
Calculate exact age in years, months, and days from a birth date.
Combine multiple PDF files into a single document.
Extract specific pages from a PDF, or split it into individual page files.
Reduce a PDF's file size by re-rendering its pages at a lower quality.
Protect a PDF with a password so it can't be opened without it.
Unlock a password-protected PDF when you know its password.